buy army

scenes/game/game.gd

@@ -78,7 +78,11 @@ func _on_Grid_tile_pressed(v):
 			if country.money >= 5 and tile.country == country and not tile.factory:
 				country.money -= 5
 				$Grid.set_factory(v, true)
-
+		"buy_army":
+			if country.money >= 3 and tile.country == country and tile.factory and len(tile.units) == 0:
+				country.money -= 3
+				country.add_unit({}, v)
+				
 func _input(event):
 	if event is InputEventMouseButton:
 		if event.pressed and event.button_index == BUTTON_RIGHT:

scenes/game/game.tscn

@@ -17,6 +17,7 @@ margin_left = 10.0
 margin_top = 10.0
 margin_right = -10.0
 margin_bottom = -10.0
+mouse_filter = 1
 
 [node name="VBoxContainer" type="VBoxContainer" parent="CanvasLayer/Control"]
 anchor_left = 1.0